Home / 193,617,821.80-290,426,732.70-149,779,844.20

Finding the Fourth Proportional to 193,617,821.80, 290,426,732.70 and 149,779,844.20

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Solution

The fourth proportional to 193,617,821.80, 290,426,732.70 and 149,779,844.20 is: 224,669,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,617,821.80 : 290,426,732.70 = 149,779,844.20 : x
  2. Step 2: Convert to fraction form
    193,617,821.80/290,426,732.70 = 149,779,844.20/x
  3. Step 3: Cross multiply
    193,617,821.80x = 290,426,732.70 × 149,779,844.20
  4. Step 4: Simplify right side
    193,617,821.80x = 43,500,070,775,321,040
  5. Step 5: Solve for x
    x = 43,500,070,775,321,040/193,617,821.80
  6. Step 6: Final answer
    x = 224,669,766.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.